GATE Mechanical Engineering (ME) 2015 Shift 1 Solved Paper

Question : 22 of 65

Marks: +1, -0

Air enters a diesel engine with a density of 1.0 kg/m³. The compression ratio is 21. At steady state, the air intake is 30 × 10^–3 kg/s and the net work output is 15 kW. The mean effective pressure (kPa) is _______.